Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

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Grammarly will make sure your messages, documents, and social media posts are clear, mistake-free, and impactful. Adding Grammarly to Firefox means that your spelling and grammar will be vetted on Gmail, Facebook, Twitter, Linkedin, Tumblr, and nearly everywhere else you write on the web. Once you register your new account, you will start to receive weekly emails with personalized insights and performance stats (one of our most popular new features). Working on a large project, an essay, or a blog post? No sweat. You can create and store all of your documents in your new online editor.

★ Contextual spelling checkerGrammarly detects correctly spelled words used in the wrong context. You can stop worrying about misusing homophones like lose/loose, affect/effect, lie/lay, there/their/they’re, and many other commonly confused words.

★ Grammar checkerGrammarly can fix hundreds of complex grammatical errors, including subject-verb agreement, article use, and modifier placement, to name just a few.

★ Trusted by millions of usersGrammarly is trusted by students, writers, business professionals, bloggers, and plenty of people who just want to write better. Grammarly adapts to your needs and writing style, giving you the confidence of mistake-free communication every time you write.

★ Grammarly in the newsForbes: “Grammarly quickly and easily makes your writing better and makes you sound like a pro, or at least helps you avoid looking like a fool.”Harvard Business Review: “...good grammar is instrumental in conveying ideas with clarity, professionalism, and precision...Good grammar is simply good business.”ABC News: “Poor grammar is just as offensive as gross pick-up lines.”

★ Grammarly PremiumIf you want to supercharge your writing performance and leave no error unchecked, Grammarly Premium is your answer. Here’s what you can do with Premium: ➤ Check for over a hundred additional types of errors ➤ Get vocabulary enhancement suggestions ➤ Detect plagiarism and get citation suggestions ➤ Get suggestions for different writing styles, including academic, technical, and creative

★ Privacy SummaryGrammarly provides writing suggestions and corrections by processing text on our servers. You can see that Grammarly is processing your text by the presence of the Grammarly logo's "G" symbol in a text field. We may also use this data to help improve the algorithms underlying our software and services. Additionally, we collect payment information if you choose to use our Premium services, and we automatically collect technical information, including log data and usage information, for legitimate business interests, such as improving our product and providing customer support. We may share any of the information that we collect through the add-on with our third-party service providers in order to provide you with services, as required by law, to protect our rights or the rights of others, with your consent, or as otherwise legally permitted. If you disagree with this data collection or usage, you should not download or use the extension. For more information about Grammarly’s data privacy practices, including the rights users will have in relation to their personal data, please consult our Privacy Policy.